﻿using CalculatorProject;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System;
using CalculatorLibrary.Computation;

namespace CalculatorUnitTest
{
    
    
    /// <summary>
    ///This is a test class for ComputationTest and is intended
    ///to contain all ComputationTest Unit Tests
    ///</summary>
    [TestClass()]
    public class ComputationTest
    {


        private TestContext testContextInstance;

        /// <summary>
        ///Gets or sets the test context which provides
        ///information about and functionality for the current test run.
        ///</summary>
        public TestContext TestContext
        {
            get
            {
                return testContextInstance;
            }
            set
            {
                testContextInstance = value;
            }
        }

        #region Additional test attributes
        // 
        //You can use the following additional attributes as you write your tests:
        //
        //Use ClassInitialize to run code before running the first test in the class
        //[ClassInitialize()]
        //public static void MyClassInitialize(TestContext testContext)
        //{
        //}
        //
        //Use ClassCleanup to run code after all tests in a class have run
        //[ClassCleanup()]
        //public static void MyClassCleanup()
        //{
        //}
        //
        //Use TestInitialize to run code before running each test
        //[TestInitialize()]
        //public void MyTestInitialize()
        //{
        //}
        //
        //Use TestCleanup to run code after each test has run
        //[TestCleanup()]
        //public void MyTestCleanup()
        //{
        //}
        //
        #endregion


        /// <summary>
        ///A test for Evaluate
        ///</summary>
[TestMethod, DataSource("Microsoft.VisualStudio.TestTools.DataSource.CSV", "EvaluateTestData.CSV", "EvaluateTestData#CSV", DataAccessMethod.Sequential), DeploymentItem("EvaluateTestData.csv")]
 
        public void EvaluateTest()
        {
            Computation target = new Computation();

            string expression = TestContext.DataRow[0].ToString(); ;
            target.FormatExpression(expression);

            float expected = float.Parse(TestContext.DataRow[1].ToString()); ;

            target.AngleType = "Degrees";
            float actual = (float)target.Evaluate(target.root);
//          node.Insert(ref node, "3*2");
//          actual = target.Evaluate(node);
            Assert.AreEqual(expected, actual, 0.000005);
        }
    }
}
